IRRB) for the Period October 01, 2017 - September 30, 2018, Which Succeeds the 2017 Water Year
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PREFACE This report documents water quality trends and exceedances of objectives, effluent releases, and control measures for the Red River basin for the 2016 Water Year (October 01, 2016 through September 30, 2017). In addition, this report describes the activities of the International Red River Board during the reporting period October 01, 2017 to September 30, 2018 and identifies several current and future water quality and water quantity issues in the basin. The units of measure presented in this report are those of the respective agencies contributing to this report. TABLE OF CONTENTS 1.0 Summary 1 1.01 Water Quantity And Water Quality 1 1.02 International Red River Board Activities 3 1.03 International Red River Board Three Year Work Plan (2018-2021) 4 2.0 Introduction 5 3.0 International Red River Board Membership 7 4.0 International Red River Board Activities 9 4.01 Interim And Annual Board Meetings 9 4.02 IJC International Watersheds Initiative 9 4.03 Improving The Information Base To Address Transboundary Issues 10 4.03-1 Water Quality Monitoring At The International Boundary And Red River Basin 10 4.03-2 Aquatic Ecosystem Committee 11 4.03-3 Water Quality Committee - Nutrient Management Strategy for the Red 15 River Watershed 4.03-4 Water Quantity Apportionment 17 4.04 Comprehensive Flood Mitigation Strategy 19 4.05 Invasive Species – Zebra Mussels 22 4.06 Lower Pembina River Flooding 23 5.0 Water Quality At The International Boundary 27 5.01 Water Quality Objectives 27 5.02 Alert Levels 28 6.0 Water Quality Surveillance Programs 32 6.01 Minnesota 32 6.02 North Dakota 34 6.03 Manitoba 38 7.0 Water Pollution Control 44 7.01 Contingency Plan 44 7.02 Spills And Releases 44 7.03 Pollution Abatement And Advisories 49 8.0 Biological Monitoring In The Red River Basin 57 8.01 Micro-Invertebrates Of The Red River In Manitoba 57 8.02 Benthic Invertebrates Indices-Simpson Eveness & Bray Curtis Dissimilarity Index 60 8.03 Escherichia Coli And Algal Bloom Monitoring In Lake Winnipeg 61 8.04 Fisheries of The Red River In Manitoba 62 9.0 Additional Activities In The Red River Basin 9.01 Garrison Diversion Project 65 9.02 Devils Lake Sub-Basin 65 9.03 U.S. Army Corps Of Engineers Flood Control Activities 76 9.04 U.S.G.S. Water Resources Investigations And Activities 79 th International Red River Board -19 Annual Progress Report-Final- October 2018 i LIST OF TABLES 1 Exceedances of Objectives Levels, Red River at the International Boundary- October 1, 28 2016 to September 30, 2017 2 Exceedances of Alert Levels – Red River at International Boundary 30 3 Detection of Current Use Pesticides, Red River at the International Boundary October 1, 2016 to 31 September 30, 2017 4 Level 1 - North Dakota Ambient Water Quality Monitoring Sites In The Red River Basin 35 5 Level 2 - North Dakota Ambient Water Quality Monitoring Sites In The Red River Basin 35 6 Level 3 - North Dakota Ambient Water Quality Monitoring Sites In The Red River Basin 36 7 North Dakota Ambient Water Quality Monitoring Parameters 37 8 Routine Surface Water Quality Monitoring Variables Sampled by Manitoba Sustainable 41 Development on the Red River and Tributaries within Manitoba, Canada 9 BMP Implemented with Section 319 Funding in the Watershed Projects located in the Red River 53 Valley: January 2010-June 2018 10 Educational Projects Supported by the NPS Program in the Red River Valley 55 11 Geographic coordinates for the benthic macroinvertebrates sampling stations at Emerson 57 and Selkirk on the Red River, Manitoba in September 2017 12 Summary of Micro-Invertebrates Collected Per Sq. m in Pooled Ponar Dredge Samples 58 From The Red River At Selkirk, Manitoba In September 2017 13 Summary of Micro-Invertebrates Collected Per Transect And Calculated Total Per Sq. 59 m. In Pooled Ponar Dredge Samples From The Red River At Emerson, Manitoba In September 2017 14 Recreational beaches in Lake Winnipeg South Basin Monitored in 2017 62 15 Fish Species of The Red River In Manitoba 64 16 Devils Lake Water Levels 2011-2018 72 17 Summary of Extent of Discharge from the Outlets in 2018 73 18 Summary of Volumes and Inches of Water Removed Since Pumping in 2015 73 LIST OF FIGURES 1 Average Daily Discharge in the Red River at Emerson for 2016 and 2017 3 2 Red River and its Tributaries 6 3 Pembina River Basin 26 4 North Dakota Ambient Water Quality Monitoring Sites in the Red River Basin 36 5 Location of Water Quality and Benthic Invertebrate Sampling Sites in the Red River 40 Watershed (Manitoba) 6 Watershed and Water Quality Assessment and Restoration Projects in the 54 Red River Basin, North Dakota 7 Red River Valley Water Supply – Proposed Route 66 8 Red River Valley Water Supply – 35 Water Systems that signed the Devt. Agreement 67 9 Northwest Area Water Supply Project 69 10 Red River of the North - Regional Conservation Partnership Program 70 11 Range of Sulfate Concentrations Along the Sheyenne and Red River 74 12 Devils Lake Historic Water Surface Elevations 75 13 Devils Lake Near Devils Lake Water Surface Elevations-2008-2018 75 14 Red River Flows at Grand Forks 79 15 Devils Lake – Water Levels Trend 80 th International Red River Board -19 Annual Progress Report-Final- October 2018 ii APPENDIX A INTERNATIONAL RED RIVER BOARD DIRECTIVE APPENDIX B WATER QUALITY OBJECTIVES WATER QUALITY ALERT LEVELS APPENDIX C WATER POLLUTIONS CONTROL CONTINGENCY PLAN – LIST OF CONTACTS APPENDIX D HYDROLOGY COMMITTEE AND AQUATIC ECOSYSTEM COMMITTEE MEMBERSHIP LIST th International Red River Board -19 Annual Progress Report-Final- October 2018 iii 1.0 SUMMARY 1.01 Water Quantity and Water Quality Streamflow for calendar year 2018 on the Red River in Grand Forks, North Dakota, was in the normal range except for a short period in late April to early May 2018, when the flows reached the above normal category, because of snowmelt runoff. The graph below (Figure 1) shows the trend in flows from January 1, 2017 to August 12, 2018. The Red River at Fargo crested on April 19 at 18.65 ft., with a peak discharge of 4,740 ft3/s, (54th highest peak) for the 118 years of daily record. The exceedance probability for the spring peak was in the 0.20 to 0.10 range (5 - 10 year). The Red River at Grand Forks crested on April 24 at 34.99 ft. with a peak discharge of 28,000 ft3/s (43rd highest peak) for the 136 years of peak flow record. The exceedance probability for the peak was in the 0.50 to 0.20 range (2 – 5 year). Spring runoff into Devils Lake was insignificant and did not cause an appreciable rise in lake level. The peak water level at Devils Lake occurred on July 4, at an elevation of 50.21 ft. The current water level (August 13, 2018) is around 49.20 ft. Withdrawals from Devils Lake began on May 24 from the East End Outlet (165 ft3/s, increasing to 230 ft3/s on June 6) and on May 9 from the West End Outlet (125 ft3/s, increasing to 250 ft3/s on May 22). In Manitoba in fall 2016/winter 2017, the Antecedent Precipitation Index (API) and soil moisture measurements indicated moisture conditions were normal to above normal throughout the Red River Basin heading into freeze up. The API reflects the soil moisture, or the amount of May to October precipitation that is within the soil and is yet to contribute for runoff. During the winter of 2017, there was well above (150 % – 200 %) to extremely above (>200 %) normal winter snowfall in the Red River Valley. Frost depths were near normal. The February 2017 Outlook published by the Manitoba Hydrologic Forecasting Center estimated that the peak flow at Emerson could reach the level seen in the 2011 flood under unfavorable conditions, and the 2010 flood under normal conditions. Above freezing temperatures in late February caused much of the snow in the southern basin to melt, producing minor flooding at some locations. This greatly reduced the snow pack in the southern portion of the Red River Basin where the greatest accumulation of precipitation had occurred. The peak flow at Emerson during this event was approximately 15,150 cfs (429.0 cms). Due, in part, to this early melt event, the flood outlook was significantly reduced prior to the spring melt. Streamflow for much of the Red River were at “normal” to “much above normal” levels (50 to >90 percentile) for the 2016/2017 winter. Flows at Emerson were in the “much above normal” range in the winter of 2016/2017 and early into spring 2017 (Figure 1). Spring 2017 Significant runoff in the northern Red River and Devils Lake basins did not occur until the end of March and into early April. Some locations in the northern basin reached major flood stage in April. The Red River at Grand Forks crested on February 27th at 29.57 ft (provisional) with an estimated daily discharge 18,000 cfs (510 cms), in the interquartile range (72nd highest peak) for the 113 years of record. The discharge was estimated as the peak flow was impacted by backwater from ice. The exceedance probability for the peak was in the 0.20 to 0.50 range. Emerson peaked April 2nd at a flow of approximately 36,200 cfs (1025 cms). This corresponds to an approximately 1 in 4-year event. International Red River Board -19th Annual Progress Report-Final- October 2018 Water levels peaked in Winnipeg on April 1st shortly after Red River Floodway operations began.